31041252 has 192 divisors, whose sum is σ = 97977600. Its totient is φ = 8386560.

The previous prime is 31041211. The next prime is 31041259. The reversal of 31041252 is 25214013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 585658 + ... + 585710.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^31041252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31041252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48988800).

31041252 is an abundant number, since it is smaller than the sum of its proper divisors (66936348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31041252 is a wasteful number, since it uses less digits than its factorization.

31041252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31041252 is about 5571.4676701925. The cubic root of 31041252 is about 314.2773456646.

Adding to 31041252 its reverse (25214013), we get a palindrome (56255265).

It can be divided in two parts, 3104 and 1252, that added together give a square (4356 = 66²).

The spelling of 31041252 in words is "thirty-one million, forty-one thousand, two hundred fifty-two".